diff --git a/dashboard/builder/http.go b/dashboard/builder/http.go
index ece5df3a..52785ab1 100644
--- a/dashboard/builder/http.go
+++ b/dashboard/builder/http.go
@@ -29,7 +29,7 @@ func dash(meth, cmd string, args url.Values, req, resp interface{}) error {
 	if *verbose {
 		log.Println("dash <-", meth, cmd, args, req)
 	}
-	cmd = "http://" + *dashboard + "/" + cmd
+	cmd = *dashboard + "/" + cmd
 	if len(args) > 0 {
 		cmd += "?" + args.Encode()
 	}
diff --git a/dashboard/builder/main.go b/dashboard/builder/main.go
index e10e327c..0cbcca79 100644
--- a/dashboard/builder/main.go
+++ b/dashboard/builder/main.go
@@ -45,7 +45,7 @@ var (
 	doBuild        = flag.Bool("build", true, "Build and test packages")
 	doBench        = flag.Bool("bench", false, "Run benchmarks")
 	buildroot      = flag.String("buildroot", defaultBuildRoot(), "Directory under which to build")
-	dashboard      = flag.String("dashboard", "build.golang.org", "Go Dashboard Host")
+	dashboard      = flag.String("dashboard", "https://build.golang.org", "Dashboard app base path")
 	buildRelease   = flag.Bool("release", false, "Build and upload binary release archives")
 	buildRevision  = flag.String("rev", "", "Build specified revision and exit")
 	buildCmd       = flag.String("cmd", filepath.Join(".", allCmd), "Build command (specify relative to go/src/)")